EP2248459A4 - Method of measuring electrical resistance value of corneal trans-epithelium - Google Patents

Method of measuring electrical resistance value of corneal trans-epithelium

Info

Publication number
EP2248459A4
EP2248459A4 EP09717554.1A EP09717554A EP2248459A4 EP 2248459 A4 EP2248459 A4 EP 2248459A4 EP 09717554 A EP09717554 A EP 09717554A EP 2248459 A4 EP2248459 A4 EP 2248459A4
Authority
EP
European Patent Office
Prior art keywords
corneal
epithelium
trans
resistance value
electrical resistance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09717554.1A
Other languages
German (de)
French (fr)
Other versions
EP2248459A1 (en
Inventor
Masafumi Uematsu
Takashi Kitaoka
Koji Nishida
Yuji Tanaka
Matsuhiko Nishizawa
Hirokazu Kaji
Soichiro Sekine
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osaka University NUC
Nagasaki University NUC
Original Assignee
Tohoku University NUC
Nagasaki University NUC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tohoku University NUC, Nagasaki University NUC filed Critical Tohoku University NUC
Publication of EP2248459A1 publication Critical patent/EP2248459A1/en
Publication of EP2248459A4 publication Critical patent/EP2248459A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6814—Head
    • A61B5/6821—Eye
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
    • A61B2562/0215—Silver or silver chloride containing
EP09717554.1A 2008-03-03 2009-03-03 Method of measuring electrical resistance value of corneal trans-epithelium Withdrawn EP2248459A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008052567 2008-03-03
PCT/JP2009/053968 WO2009110470A1 (en) 2008-03-03 2009-03-03 Method of measuring electrical resistance value of corneal trans-epithelium

Publications (2)

Publication Number Publication Date
EP2248459A1 EP2248459A1 (en) 2010-11-10
EP2248459A4 true EP2248459A4 (en) 2014-01-15

Family

ID=41056024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09717554.1A Withdrawn EP2248459A4 (en) 2008-03-03 2009-03-03 Method of measuring electrical resistance value of corneal trans-epithelium

Country Status (4)

Country Link
US (1) US8478395B2 (en)
EP (1) EP2248459A4 (en)
JP (1) JP5470508B2 (en)
WO (1) WO2009110470A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2372082B1 (en) * 2010-03-02 2013-01-30 Consejo Superior De Investigaciones Científicas (Csic) NON INVASIVE SENSOR TO DETERMINE FUNCTIONAL CHARACTERISTICS OF THE CORNEA AND DEVICE INCLUDING SUCH SENSOR.
KR101964582B1 (en) * 2012-06-29 2019-04-03 존슨 앤드 존슨 비젼 케어, 인코포레이티드 Ophthalmic apparatus for galvanic healing of an eye
WO2014052393A2 (en) 2012-09-25 2014-04-03 The United States Of America, As Represented By The Secretary, Department Of Health And Human Services Methods for the diagnosis and treatment of sjögren's syndrome

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006320372A (en) * 2005-05-17 2006-11-30 Meiyoo:Kk Corneal electrode for electroretinograph
US20070260171A1 (en) * 2005-09-27 2007-11-08 Higuchi John W Intraocular iontophoretic device and associated methods

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4810716Y1 (en) 1968-06-18 1973-03-22
US4381007A (en) * 1981-04-30 1983-04-26 The United States Of America As Represented By The United States Department Of Energy Multipolar corneal-shaping electrode with flexible removable skirt
US4691715A (en) * 1985-12-27 1987-09-08 Emanuel Tanne Automatic corneal surgery system
US4874237A (en) * 1987-05-07 1989-10-17 Lions Eye Inst. Of Western Australia Electroretinogram apparatus
US4951683A (en) * 1989-01-19 1990-08-28 Davis Jeffrey P Device for detecting keratoconjunctivitis sicca
SE466987B (en) * 1990-10-18 1992-05-11 Stiftelsen Ct Foer Dentaltekni DEVICE FOR DEEP-SELECTIVE NON-INVASIVE, LOCAL SEATING OF ELECTRICAL IMPEDANCE IN ORGANIC AND BIOLOGICAL MATERIALS AND PROBE FOR SEATING ELECTRICAL IMPEDANCE
US6544193B2 (en) * 1996-09-04 2003-04-08 Marcio Marc Abreu Noninvasive measurement of chemical substances
US6385491B1 (en) * 1999-10-04 2002-05-07 Medtronic, Inc. Temporary medical electrical lead having biodegradable electrode mounting pad loaded with therapeutic drug
US7146221B2 (en) * 2001-11-16 2006-12-05 The Regents Of The University Of California Flexible electrode array for artifical vision
US20050107780A1 (en) * 2003-11-19 2005-05-19 Goth Paul R. Thermokeratoplasty system with a calibrated radio frequency amplifier
EP1652552B1 (en) * 2004-11-02 2008-09-17 Sydney Biotech Pty. Ltd. Extraocular device
US8805547B2 (en) * 2005-06-30 2014-08-12 Domestic Legacy Limited Partnership Extra-cochlear implanted hearing aid device
US8755880B2 (en) * 2005-10-24 2014-06-17 Aciont, Inc. Intraocular iontophoretic device and associated methods
US7384145B2 (en) * 2006-02-16 2008-06-10 The Board Of Trustees Of The University Of Illinois Mapping retinal function using corneal electrode array
US8118752B2 (en) * 2006-02-16 2012-02-21 The Board Of Trustees Of The University Of Illinois Apparatus and methods for mapping retinal function
JP2008052567A (en) 2006-08-25 2008-03-06 Kyocera Corp Portable electronic equipment and operation detection method of the same
JP2008154857A (en) * 2006-12-25 2008-07-10 Meiyoo:Kk Apparatus for measuring corneal resistance and corneal resistance measurement electrode used in the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006320372A (en) * 2005-05-17 2006-11-30 Meiyoo:Kk Corneal electrode for electroretinograph
US20070260171A1 (en) * 2005-09-27 2007-11-08 Higuchi John W Intraocular iontophoretic device and associated methods

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ARVO OKSALA ET AL: "EXPERIMENTAL AND CLINICAL STUDIES ON THE OHMIC RESISTANCE OF THE CORNEA AND THE SCLERA", ACTA OPHTHALMOLOGICA, vol. 38, no. 2, 1 April 1960 (1960-04-01), pages 153 - 162, XP055091187, ISSN: 1755-375X, DOI: 10.1111/j.1755-3768.1960.tb00192.x *
EIICHI NEMOTO ET AL: "Effects of Poly-L-arginine on the Permeation of Hydrophilic Compounds through Surface Ocular Tissues", BIOLOGICAL & PHARMACEUTICAL BULLETIN, vol. 29, no. 1, 1 January 2006 (2006-01-01), pages 155 - 160, XP055091388, ISSN: 0918-6158, DOI: 10.1248/bpb.29.155 *
See also references of WO2009110470A1 *

Also Published As

Publication number Publication date
EP2248459A1 (en) 2010-11-10
US20110046509A1 (en) 2011-02-24
JPWO2009110470A1 (en) 2011-07-14
JP5470508B2 (en) 2014-04-16
WO2009110470A1 (en) 2009-09-11
US8478395B2 (en) 2013-07-02

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Legal Events

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DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20131216

RIC1 Information provided on ipc code assigned before grant

Ipc: A61B 5/053 20060101AFI20131210BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: NAGASAKI UNIVERSITY

Owner name: OSAKA UNIVERSITY

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Effective date: 20170407